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TFAP2A

Chr 6p24.3

transcription factor AP-2 alpha

Aliases:
AP-2, AP-2alpha
MANE:
ENST00000379613.10

Annotations refreshed 10 hours ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Bilateral congenital or childhood onset cataracts

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • CAKUT

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Clefting

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • DDG2P

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Deafness and congenital structural abnormalities

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Fetal anomalies

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Structural eye disease

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Limb disorders

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown

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Disease associations (Open Targets)

  • branchiooculofacial syndrome

    0.81
  • Branchio-oculo-facial syndrome

    0.71
  • hereditary disease

    0.52
  • neurodegenerative disease

    0.49
  • cleft lip

    0.38
  • microphthalmia

    0.36
  • Hypertelorism

    0.34
  • Short neck

    0.34
  • Lens subluxation

    0.34
  • High palate

    0.34

Score is the Open Targets composite evidence score (0-1). Higher = stronger gene-disease association.

Protein function (UniProt)

Transcription factor AP-2-alpha

Sequence-specific DNA-binding protein that interacts with inducible viral and cellular enhancer elements to regulate transcription of selected genes. AP-2 factors bind to the consensus sequence 5'-GCCNNNGGC-3' and activate genes involved in a large spectrum of important biological functions including proper eye, face, body wall, limb and neural tube development. They can also suppress a number of genes including MCAM/MUC18 and C/EBP alpha. Is involved in the negative regulation of Wnt canonical signaling, and is a transcriptional repressor of MYC (PubMed:33000225). AP-2-alpha is the only AP-2 protein required for early morphogenesis of the lens vesicle. Together with the CITED2 coactivator, stimulates the PITX2 P1 promoter transcription activation. Associates with chromatin to the PITX2 P1 promoter region

Data sources: HGNC (CC BY 4.0), AlphaFold (CC BY 4.0, Jumper et al. Nature 2021), Genomics England PanelApp (CC BY 4.0), ClinGen, Open Targets (CC0), UniProt.

Not for sole clinical decision-making. Always verify against primary sources.